Abstract: Larimichthys crocea technological innovation can help strengthen the research and management of Larimichthys crocea industry. The study utilizes the sample data of Larimichthys crocea cage cultivation collected in Ningde of Fujian Province, and comparative analysis、sensitivity analysis and breakeven analysis are used to compare common varieties with new varieties. The result shows that per unit cost of new varieties’ production in feed and fixed worker wage are fully reduced, besides the profitability is also improved due to the adoption of new varieties. So it’s of great significance to promote the sustainable and healthy development of this industry.